3131120

素因数分解:

$2^4\times 5^1\times {\mathrm{39139}}^1$

素因数の和:39152

約数の個数: 20

約数和(自身を含む): 7280040

約数和(自身を除く): 4148920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 39139, 78278, 156556, 195695, 313112, 391390, 626224, 782780, 1565560, 3131120]

約数ペア:

[(1, 3131120), (2, 1565560), (4, 782780), (5, 626224), (8, 391390), (10, 313112), (16, 195695), (20, 156556), (40, 78278), (80, 39139)]